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Westlake Chemical Partners LP

WLKP
63
Chemicals · Basic Materials
Price
$22.01
+0.22 (+1.01%)
Market Cap
$775.8M
Winston Score
63
Winston is curious
A decent business — some strong pillars, some weaker.

Westlake Chemical Partners LP is a limited partnership that makes ethylene, a basic chemical building block used to produce plastics, packaging, and other everyday materials. It operates chemical plants in the United States and sells nearly all of its ethylene to its parent company, Westlake Chemical Corporation, under long-term supply agreements. This structure makes it one of the simpler, more predictable businesses in the chemicals industry.

The partnership earns money by producing and selling ethylene at prices set by those long-term contracts, which helps keep revenue stable even when chemical markets get volatile. It operates primarily in Louisiana and Texas, where it runs a small number of large facilities. The biggest strength here is the guaranteed customer relationship with its parent, which reduces sales risk — but that same dependence on one buyer means the partnership's future is closely tied to Westlake Chemical's own health and demand for its products.

Winston Score History

Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

+28.6% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+185.7% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$0/ year

0.0% of revenue

Below sector average (3%)

Research and development spending

Insider Activity

44.9%ownership

Insiders own a meaningful stake in the company

Cash Position

Cash flow positive

$44M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Company generates more cash than it spends — no dilution risk from fundraising

Revenue accelerating

Westlake Chemical Partners LP grew revenue 29% year-over-year and the growth rate is speeding up. That's the kind of momentum growth investors look for — the question is whether margins can follow.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Share count broadly stable

+0.1% over 4y

The share count has stayed roughly flat over this period — little dilution or buyback activity.

Diluted shares outstanding: 35.2M (2021) → 35.2M (2025)

Score breakdown

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Quality

Gross Margin
30.7%
Modest — 30.7% gross margin
Operating Margin
28.3%
Excellent — 28.3% operating margin
ROCE
9.6%
Below par — 9.6% return on capital

ROIC between 5% and 15%. They earn 5 to 15 cents back per year on every dollar invested.

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Growth

Sales YoY
+13.4%
Fast-growing sales (13.4% YoY)
EPS YoY
+143.0%
Earnings growing fast (143.0% YoY)

Earnings growing 25%+ a year. The compounder zone.

EPS Consistency
4/8 quarters
Earnings inconsistent quarter-to-quarter

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Cash Flow

Cash Conversion
177%
Turns 177% of profit into real cash
FCF Margin
22.4%
Converts sales into free cash efficiently (22.4%)

Free cash flow margin above 20%. Out of every $100 in sales, more than $20 is real cash they keep.

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Stability

Debt / Equity
0.80
Moderate — manageable debt (0.80)
Interest Cover
10.22x
Comfortably covers interest (10.2x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

P/E Ratio (TTM)
6.1x
Attractive valuation — P/E 6.1

P/E under 10. The price tag is small relative to last year's profit.

P/E vs Forward
-5.9
SLOWING
Earnings expected to fall — forward P/E higher than today

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Dividends

Dividend Yield
8.34%
Healthy income — 8.34% yield

Yield above 6% — often a flag the market is pricing in a cut.

Dividend Growth
+0.0%
Dividend flat

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